+130511 This looks like some sort of "decay" function, so I'm going to assume you might mean.........
t(20)=16e^(-0.034x)
So, we're just putting "20" into the function to get an evaluation
So we have
$${\mathtt{16}}{\mathtt{\,\times\,}}{{\mathtt{e}}}^{{\mathtt{\,-\,}}\left({\mathtt{0.034}}{\mathtt{\,\times\,}}{\mathtt{20}}\right)} = {\mathtt{8.105\: \!871\: \!877\: \!849\: \!435\: \!2}}$$
+130511 This looks like some sort of "decay" function, so I'm going to assume you might mean.........
t(20)=16e^(-0.034x)
So, we're just putting "20" into the function to get an evaluation
So we have
$${\mathtt{16}}{\mathtt{\,\times\,}}{{\mathtt{e}}}^{{\mathtt{\,-\,}}\left({\mathtt{0.034}}{\mathtt{\,\times\,}}{\mathtt{20}}\right)} = {\mathtt{8.105\: \!871\: \!877\: \!849\: \!435\: \!2}}$$
